COMPONENTS OF AIR CONDITIONING SYSTEMS
Heat always travels from a warmer to a cooler area. In winter, there is a continual heat loss from within a building to the outdoors. If the air in the building is to be maintained at a comfortable temperature, heat must be continually supplied to the air in the rooms. The equipment that furnishes the heat required is called a heating system.
In summer heat continually enters the building from the outside. In order to maintain the room air at a comfortable temperature, this excess heat must be continually removed from the room. The equipment that removes the excess heat is called a cooling system.
An air conditioning system may provide heating, cooling, or both. Its size and complexity may range from a single ...
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